While participants in the study had the option of looking only at either head or body-but not both-the real world offers us a more complete picture of people, of course.
这项研究的参与者选择只看天或只看身体，没有人两者都看，当然现实世界为我们提供了更为完整的画面。
This course features readings, study materials, and a complete set of exams.
此课程的特色是提供相关阅读资料、 研习资料和完整的考题。
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